You have to look. The following open letters offer a brief, clear, comprehensive, sugar-free, up to date, and science-based overview of the climate crisis.

• An open letter to those who haven’t faced climate change
• An open letter to parents about protecting your children from climate change
• An open letter to older kids about climate change (forthcoming)
• An open letter to nonprofit staff about your mission and climate change (forthcoming)

After reading, our guide can help you think through the most effective things you can do to respond.